The Brazilian Republican Party (Portuguese: Partido Republicano Brasileiro) is a Brazilianpolitical party. Its electoral number is 10 and it became a registered political party on August 25, 2005. Its founders included Bishop Marcelo Crivella, who had been elected in 2002 as a senator representing the Liberal Party, from the state of Rio de Janeiro.

According to one study, the PRB has been supportive of the Lula da Silva and Rousseff presidencies “on the basis of their concern for social democracy and for eliminating inequality.”[3] However, all of the PRB's deputies voted in favor of her impeachment.